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Interference Mitigation in Indoor LEDs-Based Visible Light Communication Systems Employing Alamouti STBC with CAP Modulation

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Abstract

This work employs Alamouti space-time block coding to mitigate interference in indoor VLC systems, while the usage of multiple LEDs to cover wider range could induce the multipath interference. Under the interference between two 2-m apart LEDs, 150-Mbps 4-CAP signals can achieve the BER of <2×10−3 over 3.2-m air transmission.

© 2013 Optical Society of America

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